volcanic rubble的用法和樣例：
例句
- A perfact Carboniferous reef complex developed on top of a volcanic seamount on the oceanic floor in the Akiyoshi Terrane, Southwest Japan.
一個(gè)完好的石炭紀生物礁發(fā)育在日本秋吉地區的玄武巖熔巖和火山碎屑巖之上。 - The volcanic successions comprise thick piles of basaltic lavas and subordinate intermediate and silicic lavas and pyroclastics.
該火山巖系的組成以玄武質(zhì)熔巖為主，其次有中性和酸性熔巖及火山碎屑巖。
